def testAngle1(self):
import math
for angle in [0, 45, 90, 135, 180, 225, 270]:
dx = 100 * math.cos(angle / 180 * math.pi)
dy = 100 * math.sin(angle / 180 * math.pi)
p1xy = [100, 200]
p2xy = [p1xy[0] + dx, p1xy[1] + dy]
line = Line(p1xy, p2xy)
self.assertAlmostEqual(line.angle(), angle)
def testRotate2(self):
L1 = Line((20, 30), (0, 10))
L2 = L1.rotate(-226)
self.assertAlmostEqual(L1.angle(), 225)
self.assertAlmostEqual(L2.angle(), 359)
def testRotate1(self):
L1 = Line((20, 30), (20, 10))
L2 = L1.rotate(33)
self.assertAlmostEqual(L1.angle(), 270)
self.assertAlmostEqual(L2.angle(), 303)
